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antoniosifov/README.md

Anton Iosifov

Full-Stack Software Engineer | React, TypeScript & Node.js | AI Integrations

I build and ship production-ready software across web, mobile, backend, data, and cloud. My work spans commercial client platforms, startup development, and independent products, with ownership from requirements and system design through testing, deployment, and production support.

Based in Israel and open to Full-Stack, Frontend (React/Next.js), Backend (Node.js), and Software Engineering opportunities.

Portfolio | LinkedIn | GitHub

Current focus

  • Building Ceru, a six-language, multi-currency expense-sharing mobile app currently in iOS TestFlight beta, with Android in preparation
  • Developing client systems across real estate, student housing, and healthcare, including CRM, document-management, and multi-tenant SaaS workflows
  • Building AI integrations and retrieval systems that solve defined product and business problems

Selected work

Project What it demonstrates Links
Ceru Independently planned and developed cross-platform mobile product with offline-friendly synchronization, flexible expense splitting, voice and receipt input, localization, analytics, and monitoring Product
AWS EC2 Observability Dashboard CloudWatch metrics exploration across CPU, network, disk I/O, CPU credit, and instance health Repository · Live
Agentic RAG Knowledge Assistant FastAPI and LangChain assistant using OpenAI and MongoDB Atlas Vector Search for cited knowledge retrieval Backend · Live
Sea’cret Residences Production four-language real-estate platform with CMS-managed content, localized SEO/GEO, analytics, accessibility, and enquiry workflows Live
Campus42 Bilingual student-housing platform with interactive floor and studio discovery, 3D tours, CMS content, analytics, and enquiry workflows Live
Popcorn Palace API Java and Spring Boot booking API with PostgreSQL, validation, conflict detection, Docker, and automated tests Repository

Core technologies

  • Frontend: TypeScript, React, Next.js, React Native, Expo, Tailwind CSS
  • Backend: Node.js, Express, Python, FastAPI, Java, Spring Boot, REST APIs
  • Data: PostgreSQL, Supabase, MongoDB, SQLite, MySQL
  • Cloud & delivery: AWS, CloudWatch, Docker, CI/CD, Vercel, Render, Sentry
  • Product engineering: authentication, Row Level Security, testing, localization, analytics, accessibility, SEO/GEO, AI integrations

Additional experience with PHP/Laravel, Sanity CMS, Resend, and WordPress.

Engineering approach

I work directly with clients and product stakeholders to translate business needs into scoped releases and maintainable systems. I use Codex, Claude Code, Cursor, MCP servers, CLI automation, and agentic workflows to accelerate research, implementation, testing, and delivery while retaining ownership of architecture, validation, security, and code quality.

B.Sc. in Computer Science, Holon Institute of Technology

Native Russian · Fluent Hebrew · Advanced English

Pinned Loading

  1. aws-cpu-utilization-metrics aws-cpu-utilization-metrics Public

    Interactive AWS EC2 observability dashboard for CloudWatch CPU, network, disk, credit, and health metrics.

    JavaScript

  2. rag-chat-backend rag-chat-backend Public

    Agentic RAG assistant using FastAPI, LangChain, OpenAI, and MongoDB Atlas Vector Search for cited enterprise knowledge retrieval.

    Python

  3. e-commerce-ski e-commerce-ski Public

    Full-stack winter sports e-commerce platform with customer and admin workflows, JWT/Google authentication, analytics, and AI recommendations.

    JavaScript

  4. factory-management-system factory-management-system Public

    Full-stack factory operations platform for employees, departments, shifts, authentication, and AI-assisted scheduling.

    TypeScript

  5. popcorn-palace popcorn-palace Public

    Movie ticket booking REST API built with Java, Spring Boot, PostgreSQL, Docker, and automated tests for movies, showtimes, and bookings.

    Java

  6. portfolio portfolio Public

    Personal portfolio showcasing production web, mobile, cloud, and AI projects, built with React and Vite.

    CSS